STATE GEOLOGIST. 123 



PODOSTEMACE^. River-weed Family. 



PODOSTEMON, Michx. River-wked. 



P. ceratophyllus, Michx. River-weed. 

 Lake Pepin, MUs Manniim. Rare. 



EUPHORBIACE^. Spurge Family. 



EUPHOKBIA, L. Siurge. 



E. polyg-ouifolia, L Shore Spurge. 



Lapham. Shore of lake Superior ; lake Pepin, Miss Manning. 



E. Geyeri, Engelm. Geyer's Spurge. 



Lapham, T. J. Hale. (3omnion at Minneapolfs, Upliam, Simmons. 



E. serpyllifolia, Pers. Toyme-leaved Spurge. 



Minneapolis, Iferricfe; Blue Eartli county, Leiherg; Martin county, Oedge; New 

 Ulm, Juni; Murray county, Upliam; Stearns county, Mrs. Blalsdell; Pembina, Havard. 



E. grlyptospernia, Eagelm. Spurge. 



Minneapolis, Herri^rfe; SAintClowA, Campbell; Red river valley, Scott. 



E. niaculata, L. Spotted Spurge. 



Common through the south half of the state and perhaps nortliward. 



E. hmnistrata, Engelm. Spurge. 



Minneapolis, Roberts; Winona county, Holzinger; Martin county, Oedge. South . 



E. hypericifolia, L Spurge. 



Waste, dry places. St. Croix river, Parry; Minneapolis, Roberts; lake Pepin, Miss 

 Manning; Winona county, Holzinger; Blue Earth county, -Leiber^. South. 



E. niarginata, Pursh. White-margiaed Spurge. " Mouutain Saow." 



Frequent, often common, southwestward ; extending northeast to Redwood Falls 

 (found to be poisonous to the touch, even in mounting dried specimens), Miss Butler; in 

 Lyon county becoming a common weed in cultivated fields, Upliam. 



E. corollata, L. Flowering Spurge. 



Frequent, often common, through the south half of the state. 



E. lieteropliylla, L. Spurge. 



Spirit lake, Minnesota river, etc., Gcj/er; Blue Earth county, Lelbsrg,Gcdge ; Min- 

 neapolis, Twining, A. W. Jonc-t; Goodhue county, Sandberg; lake Pepin. Miss Man- 

 nin-g. South. 



E. dictyosperina, Fischer & Meyer. Spurge. 

 Rock county, Lciberg. Southwest. 



E. Cyparissias, L. Garden Spurge. 



Adventlve : Mankato, Lciberg; Goodhue county, Sati'ibcrg; lake Pepin, Miss 

 Manning. 



[E. commutata, Engelm., should be looked for in this state.] 



ACALiYPHA, L. Three-seeded Mercury. 



A. Virginica, L. Three-seeded Mercury. 



Minneapolis^ Roberts; Blue Earth county, Leiberg ; lake Pepin, MUis Manning. 



